CN106231440A - A kind of files in stream media burst method for down loading, device and terminal - Google Patents
A kind of files in stream media burst method for down loading, device and terminal Download PDFInfo
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- CN106231440A CN106231440A CN201610584207.7A CN201610584207A CN106231440A CN 106231440 A CN106231440 A CN 106231440A CN 201610584207 A CN201610584207 A CN 201610584207A CN 106231440 A CN106231440 A CN 106231440A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
- H04N21/26216—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints involving the channel capacity, e.g. network bandwidth
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Information Transfer Between Computers (AREA)
Abstract
This application provides a kind of files in stream media burst method for down loading and device, including the length determining files in stream media burst to be downloaded；When described files in stream media burst length to be downloaded is more than preset length, described files in stream media burst to be downloaded being split as the sub-burst of at least two, wherein, the length of each sub-burst is all not more than described preset length；Download each described sub-burst respectively.When network environment is poor, and when files in stream media burst to be downloaded is long, according to preset length, files in stream media burst to be downloaded is split, the sub-burst after then Parallel download splits.Owing to the sub-burst length after splitting is shorter, therefore can complete faster to download relative to the files in stream media burst to be downloaded before splitting.And many sub-bursts are downloaded respectively, thus improve the download efficiency of whole files in stream media burst.
Description
Technical field
The present invention relates to stream media technology field, particularly relate to a kind of files in stream media burst method for down loading, device and end
End.
Background technology
Files in stream media is the document form utilizing streaming media transmission technique to realize transmission, and traditional files in stream media is by many
Individual burst forms.Unlike playing from common download, it is in units of burst that files in stream media is play, and has i.e. downloaded one
Burst just can realize playing, it is not necessary to waits and all having been downloaded by all bursts.Thus realize what limit broadcasting had been downloaded
Burst, while download other bursts needing to play.
During terminal downloads files in stream media, the files in stream media that can download as required generates a files in stream media burst
List, comprises burst address and burst sequence of addresses in files in stream media burst list.First determine according to burst sequence of addresses
The address of burst to be downloaded, it is determined that behind the address of burst to be downloaded, receives the server of instruction by this address chain.Because ground
Location information can comprise the information of the burst that needs are downloaded, therefore can accurately find according to the information of burst and need that downloads to divide
Sheet, is then downloaded.After a burst has been downloaded, this burst is decoded by terminal, and plays, the most next point
Sheet initially enters download.
Owing to the broadcasting of Streaming Media is in units of burst, after the most only burst is completely downloaded, terminal could be to this
Burst is decoded playing.But in actual burst downloading process, the network between terminal and server can be along with transmission
Time present different network qualities.When according to the burst address downloading slicing indicated in files in stream media burst list,
If burst is relatively big and network environment of between server and terminal is the most poor, then bigger burst be accomplished by longer under
The load time, easily cause that the burst downloaded is the most decoded to be finished, and burst to be played is not yet downloaded complete, thus lead
Cause to play the problems such as card.
Summary of the invention
Embodiments provide files in stream media burst method for down loading, device and terminal, when files in stream media burst
Compared with big and time network environment is poor, the download efficiency of files in stream media burst can be improved.
First aspect, embodiments provides files in stream media burst method for down loading, comprises determining that stream to be downloaded
The length of media file burst；When described files in stream media burst length to be downloaded is more than preset length, treat down described
The files in stream media burst carried is split as the sub-burst of at least two, and wherein, the length of each sub-burst is all not more than described pre-
If length；Download each described sub-burst respectively.Owing to the sub-burst length after splitting is shorter, download a sub-burst institute
The time needed is also less, and can download each sub-burst respectively, therefore can relative to the files in stream media burst before splitting
To complete faster to download.
In conjunction with the implementation of first aspect, in the first possible implementation of first aspect, described determine treat down
The length of the files in stream media burst carried includes: sends burst to server and downloads request；Receive the feedback letter that server is beamed back
Breath, described feedback information comprises the length of files in stream media burst to be downloaded.Request is downloaded, it is thus achieved that service by sending burst
The burst length information that device feeds back, after comparing with preset length, it is determined whether needs to split, it is achieved burst
Quick-downloading.
In conjunction with the first possible implementation of first aspect, in the implementation that first aspect the second is possible, institute
The transmission bandwidth stated between preset length and terminal and server matches, and sets according to the transmission bandwidth between terminal and server
Put preset length, it is ensured that the smooth lower current-carrying burst of matchmaker's file.
In conjunction with the implementation that first aspect the second is possible, in the third possible implementation of first aspect, institute
State and files in stream media burst to be downloaded is split as the sub-burst of at least two comprises determining that the greatest length of sub-burst；Determine
The field scope of described files in stream media burst to be downloaded；Described field scope is divided at least two subrange, wherein, often
The length of one subrange is all not more than described greatest length.Described preset length is the transmission according to present terminal Yu server
Bandwidth sets, and therefore arranges sub-burst length and is not more than preset length, it is ensured that can realize under current transmission bandwidth
The smooth download of burst.
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation of first aspect, institute
State and field scope is divided at least two subrange, including: described field scope is divided, at least includes the first sub-model
Enclose and the second subrange, the field model that the corresponding described files in stream media burst to be downloaded of wherein said first subrange is play at first
Enclose；The field length of described first subrange is less than the field length of described second subrange.So can ensure that the most collinear
When journey is downloaded simultaneously, files in stream media burst to be downloaded needs the field scope downloaded at first the most preferentially to have downloaded
Finish.
In conjunction with the third possible implementation of first aspect, in the 5th kind of possible implementation of first aspect, institute
State and download each sub-fragment packets respectively and include: generating the download request of sub-burst, each downloads request and a subrange phase
Correspondence, comprises the subrange that files in stream media burst download address to be downloaded is corresponding with the request of downloading；Send described sub-burst
Download request；Receive the sub-burst that server is beamed back according to the request of downloading of described sub-burst.Each download asks corresponding one
Subrange, the different requests of downloading just completes the download request of burst to be downloaded, and different range is downloaded respectively,
Ensure that the download efficiency of files in stream media burst to be downloaded.
In conjunction with the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation of first aspect, institute
State send sub-burst download request include: described in transmitted in parallel download request.Send download request parallel, ask to download simultaneously
Many sub-bursts, can complete files in stream media burst to be downloaded faster.
In conjunction with the implementation of first aspect, in the 7th kind of possible implementation of first aspect, also include: obtain the
The address of two files in stream media bursts, described second media file burst is under described files in stream media burst to be downloaded
One files in stream media burst；Address according to described second media file burst determines described second media file burst
Residing server；If server residing for described second media file burst and described files in stream media burst to be downloaded
Differing, described second media file burst is downloaded in request.If the request that can continue of terminal is downloaded, complete to be downloaded
After the download request of files in stream media burst, continue the second media file burst of different server sends download request,
It is achieved in that the Parallel download of many files in stream media burst so that during SS later playing stream media file fragmentation, reduce card
Probability.
In conjunction with the implementation any of which that first aspect or first aspect the first to seven kind are possible, also include: institute
Stating after files in stream media burst to be downloaded downloaded, statistics downloads terminal and the service of described files in stream media burst to be downloaded
Transmission bandwidth between device；The second preset length is determined according to described transmission bandwidth.Complete files in stream media burst to be downloaded
After download, the transmission bandwidth between statistics terminal and server, determine that the fractionation downloading next files in stream media burst is preset
Length, ensures that next files in stream media burst is quick-downloading, it is achieved the smooth playing of terminal as far as possible.
Second aspect, embodiments provides files in stream media burst download apparatus, comprises determining that unit, be used for
Determine the length of files in stream media burst to be downloaded.Processing unit, is used for when described files in stream media burst to be downloaded is long
During the preset length that degree matches more than the transmission bandwidth between terminal and server, described files in stream media to be downloaded is divided
Sheet is split as the sub-burst of at least two, and wherein, the length of each sub-burst is all not more than described preset length.Download unit,
For downloading each described sub-burst respectively.Sub-burst length after described processing unit splits is shorter, has downloaded a son
Time needed for burst is also less, and described download unit downloads each sub-burst respectively, therefore relative to the stream before splitting
Media file burst can complete to download faster.
In conjunction with the implementation of second aspect, in the first possible implementation of second aspect, described determine unit
Including: send subelement, download request for sending burst to server.Receive subelement, for receiving what server was beamed back
Feedback information, described feedback information comprises the length of files in stream media burst to be downloaded.Described transmission subelement sends burst
Downloading request, described reception subelement receives the burst length information that server feedback is returned, and quickly obtains described leukorrhagia current-carrying
The length of media file burst.
In conjunction with the first possible implementation of second aspect, in the implementation that second aspect the second is possible, institute
State processing unit to include: first determines subelement, for determining the greatest length of sub-burst.Second determines subelement, determines institute
State the field scope of files in stream media burst to be downloaded.Divide subelement, for described field scope is divided at least two
Subrange, wherein, the length of each subrange is not more than described greatest length.
In conjunction with the implementation that second aspect the second is possible, in the third possible implementation of second aspect, institute
Stating download to include: request generates subelement, for generating the download request of sub-burst, each downloads request and a subrange
Corresponding, comprise the subrange that files in stream media burst download address to be downloaded is corresponding with the request of downloading.Request sends subelement,
Ask for sending the download of described sub-burst.Burst receives subelement, for receiving server according under described sub-burst
The sub-burst that the request of load is beamed back.Described request generates each download corresponding subrange of request that subelement generates, described please
Ask transmission subelement to send the different requests of downloading and just complete the download request of burst to be downloaded, and different range is to enter respectively
Row is downloaded, it is ensured that the download efficiency of files in stream media burst to be downloaded.
In conjunction with the third possible implementation of second aspect, in the 4th kind of possible implementation of second aspect, institute
Request of stating sends subelement, for downloading request described in transmitted in parallel.Sending download request parallel, many height are downloaded in request simultaneously
Burst, can complete files in stream media burst to be downloaded faster.
In conjunction with the implementation of second aspect, in the 5th kind of possible implementation of second aspect, described device also wraps
Include: acquiring unit and second determines unit.
Described acquiring unit, for obtaining the address of second media file burst, described second media file burst
Next files in stream media burst for described files in stream media burst to be downloaded.Described second determines unit, for basis
The address of described second media file burst determines the server residing for described second media file burst.Described download is single
Unit, if server residing for described second media file burst and described files in stream media burst to be downloaded differs, please
Seek the described second media file burst of download.If the request that can continue of terminal is downloaded, complete Streaming Media to be downloaded literary composition
After the download request of part burst, described acquiring unit continues that the second media file burst of different server sends download please
Ask, be achieved in that the Parallel download of many files in stream media burst so that reduce during SS later playing stream media file fragmentation
The probability of card.
In conjunction with the implementation any of which that second aspect or first aspect the first to five kind are possible, described device is also
Including: statistic unit with arrange unit.Described statistic unit, after described files in stream media burst to be downloaded has been downloaded,
Statistics downloads the transmission bandwidth between terminal and the server of described files in stream media burst to be downloaded.The described unit that arranges, root
The second preset length is determined according to described transmission bandwidth.After completing the download of files in stream media burst to be downloaded, described statistic unit
Transmission bandwidth between statistics terminal and server, the described unit that arranges determines the fractionation downloading next files in stream media burst
Preset length, ensures that next files in stream media burst is quick-downloading, it is achieved the smooth playing of terminal as far as possible.
The third aspect, embodiments provides a kind of terminal, including: processor, communication interface and memorizer, described
Processor, described communication interface are connected by communication bus with described memorizer；Described processor, to be downloaded for determining
The length of files in stream media burst；Described processor, is additionally operable to when described files in stream media burst length to be downloaded is more than eventually
During the preset length that the transmission bandwidth between end and server matches, described files in stream media burst to be downloaded is split as
The sub-burst of at least two；Described communication interface, for receiving each the sub-burst that server end is beamed back, total by described communication
Line is transferred to described processor；Described memorizer, each the sub-burst received by communication interface for storage.
It should be appreciated that it is only exemplary and explanatory, not that above general description and details hereinafter describe
The present invention can be limited.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the present invention
Example, and for explaining the principle of the present invention together with description.
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of a kind of files in stream media burst method for down loading that Fig. 1 provides for the embodiment of the present invention；
The schematic diagram that the files in stream media burst field a kind of to be downloaded that Fig. 2 provides for the embodiment of the present invention splits；
The schematic diagram that the files in stream media burst field a kind of to be downloaded that Fig. 3 provides for the embodiment of the present invention splits；
The schematic diagram that the files in stream media burst field a kind of to be downloaded that Fig. 4 provides for the embodiment of the present invention splits；
A kind of schematic diagram asking to download files in stream media burst to be downloaded that Fig. 5 provides for the embodiment of the present invention；
A kind of request that Fig. 6 provides for the embodiment of the present invention downloads the signal with server multiple files in stream media burst
Figure；
A kind of signal asking to download different server multiple files in stream media burst that Fig. 7 provides for the embodiment of the present invention
Figure；
The schematic diagram of a kind of files in stream media burst download apparatus that Fig. 8 provides for the embodiment of the present invention；
The schematic diagram of a kind of terminal that Fig. 9 provides for the embodiment of the present invention.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the present invention.On the contrary, they are only with the most appended
The example of the apparatus and method that some aspects that described in detail in claims, the present invention are consistent.
Fig. 1 is the schematic flow sheet according to a kind of files in stream media burst method for down loading shown in an exemplary embodiment,
Method includes:
S101, determines the length of files in stream media burst to be downloaded.
Obtain the burst address in files in stream media burst list, download files in stream media successively according to the order of sub address
Burst.First files in stream media burst to be downloaded is determined, it is assumed that previous moment the most non-streaming media files file fragmentation is carried out
Download, then according to the sequence of addresses in files in stream media burst list, perform to download the Streaming Media that first burst address is corresponding
File fragmentation, the files in stream media burst that the most now first burst address is corresponding is files in stream media burst to be downloaded.With
Reason, if previous moment is complete the download of n-1 files in stream media burst corresponding to burst address, then subsequent time needs
Download the files in stream media burst that the n-th burst address is corresponding, then the files in stream media burst that the n-th burst address is corresponding is for treating
Download files in stream media burst.
Download address according to the files in stream media burst to be downloaded determined is linked to the server of correspondence, and sends point
Sheet downloads request, the described identification information downloading the files in stream media burst including needs download in request.Server receives
After downloading request to this burst, the files in stream media of correspondence can be searched out according to the described identification information downloaded and comprise in request
Burst, then beams back a feedback information to the terminal sending described download request, comprises the first point in described feedback information
The length of the files in stream media burst that sheet address is corresponding.After terminal receives the feedback information that server returns, complete feedback information
Parsing, it is thus achieved that the length of files in stream media burst to be downloaded.
S102, when described files in stream media burst length to be downloaded is more than preset length, by described stream to be downloaded
Media file burst is split as the sub-burst of at least two.
Terminal is after the length obtaining files in stream media burst to be downloaded, by described files in stream media burst to be downloaded
Length compare with preset length.When the length of described files in stream media burst to be downloaded is more than described preset length
Time, described files in stream media burst to be downloaded is split as the sub-burst of at least two.According to terminal and clothes during described preset length
Transmission bandwidth between business device sets, and described preset length presets different length according to the difference of transmission bandwidth.Assume certain
The transmission bandwidth in one moment is Q1, a length of L1 preset according to Q1；Subsequent time, transmission bandwidth has become Q2, and Q2 is less than
Q1, now needing to adjust preset length is L2, and wherein L2 is less than L1.It is to say, described preset length just becomes with transmission bandwidth
Ratio.
Such as: the transmission bandwidth between terminal and server is 10M, between terminal and server, 4 threads are downloaded simultaneously, often
Individual download thread all can obtain the download bandwidth of 1M to 2M.Assume that the download bandwidth at 1M to 2M smooth can download 512K length
Files in stream media, described preset length could be arranged to 512K.Transmission bandwidth between terminal and server is 4M, still
Maintaining 4 threads to download, the download bandwidth of each download thread may be less than 1M, if now preset length is also configured to simultaneously
512K, then can cause downloading blocking.Therefore preset length can be set to 256K or less, to ensure what multithreading was downloaded
Fluency.The preset length data that the most above-mentioned different bandwidth be given is corresponding are the most schematic, preset length in reality
Arrange and also can obtain optimum preset length with reference to the historical data during actual download in conjunction with current network environment
Value.
It is noted that described files in stream media burst to be downloaded is split as the sub-burst of at least two by the present embodiment,
It is not the fractionation in physical significance, but according to the length of files in stream media burst to be downloaded and preset length, treats described
The field scope downloading files in stream media burst is divided into several subranges.First the greatest length of sub-burst is determined, maximum
Length is not more than described preset length；It is then determined that the field scope of described files in stream media burst to be downloaded, according to determine
The field scope of described files in stream media burst to be downloaded is divided by greatest length.
As illustrated in fig. 2, it is assumed that a length of 2MB of described files in stream media burst to be downloaded, according to current time terminal
And the preset length that the transmission bandwidth between server is arranged is 512KB.Therefore the greatest length of sub-burst can be set to
512KB, is thus split as 4 subranges by the field scope of files in stream media burst to be downloaded, and 4 subranges are respectively
(0KB,512KB]、(512KB,1024KB]、(1024KB,1536KB]、(1536KB,2048KB]。
Certainly, the above-mentioned embodiment that is given be the length of files in stream media burst to be downloaded be the multiple of preset length.Ginseng
Seeing Fig. 3, it is assumed that a length of 1.25MB of described files in stream media burst to be downloaded, described preset length is still above-mentioned
512KB, is equally set to 512KB by the greatest length of sub-burst, by the field scope of files in stream media burst to be downloaded
Split for 3 subranges, and 3 subranges be respectively (0KB, 512KB], (512KB, 1024KB], (1024KB,
1280KB].It can be seen that the field length of above-mentioned 3 subranges is respectively 512KB, 512KB, 256KB.
If the sub-burst of above-mentioned 3 field scopes is downloaded in request respectively, and when each download thread speed of download is identical,
3rd sub-burst can preferentially have been downloaded.But during terminal plays files in stream media burst, also according to the order of original burst
Play out, in order to ensure that the preferential field scope play of files in stream media burst to be downloaded has first been downloaded, the most above-mentioned 3
It is more shorter that first can be arranged by subrange.Above-mentioned simply in view of the situation that three thread speeds of download are identical, real
In border, speed of download can occur fluctuation over time, as long as ensureing that the field length of each burst is not more than described preset length i.e.
Can.
It is of course also possible to adjust the greatest length of sub-burst, arranging described greatest length is 430KB, if now will treat
Download files in stream media burst and be split as 3 field scopes, as shown in Figure 4, then 3 subranges can be respectively divided into
(0KB, 430KB], (430KB, 860KB], (860KB, 1280KB], now the length of 3 subranges be respectively 430KB,
430KB、420KB.Arranging of certain above-mentioned greatest length is simply the most exemplary, however it is not limited to above-mentioned arrange length.
After the above-mentioned field scope to files in stream media burst to be downloaded divides, corresponding files in stream media to be downloaded
The sub-burst of slicing files head field scope carries described files in stream media burst to be downloaded form, coded system and
The information such as files in stream media burst field total length.The decoder sending into terminal after this sub-fragment request has been downloaded solves
Code is play, and the decoder sending into terminal according to the order serial of original word segment limit is directly solved by the sub-burst of subsequent download
Code, completes the complete broadcasting of described files in stream media burst to be downloaded.Therefore the sub-burst without downloading segmentation is marked again
Knowledge processes, it is also ensured that each sub-burst can be play by normal decoder.
As a example by files in stream media burst to be downloaded in Fig. 2, the field scope that 4 sub-bursts are corresponding be respectively (0KB,
512KB]、(512KB,1024KB]、(1024KB,1536KB]、(1536KB,2048KB].Wherein (0KB, 512KB] field scope
The file header part that sub-burst is files in stream media to be downloaded, this sub-burst carries described files in stream media burst to be downloaded
The information such as form, coded system and files in stream media burst field total length.When (0KB, 512KB] son of field scope divides
Sheet download after send into terminal decoder decoding play, field scope be (512KB, 1024KB], (1024KB, 1536KB]
(1536KB, 2048KB] three sub-bursts serial can send into the decoder decoding of terminal and play successively after having downloaded, and above-mentioned 3
The info decoder such as the data form of the data of individual sub-burst, coded system from (0KB, 512KB] in corresponding sub-burst
Knowing, therefore can directly be decoded, the to the last data decoding of a field scope finishes, and terminal can be according to carrying
Before the files in stream media burst field total length known determine that this files in stream media burst finishes.
S103, downloads each described sub-burst respectively.
Generating the download of sub-burst according to the multiple subranges in S102 divided described files in stream media burst to be downloaded please
Asking, it is corresponding with a subrange that the sub-burst of each of which downloads request.Wherein, each sub-burst is downloaded request and is comprised and treat
The download address downloading files in stream media burst downloads, with current, the subrange that request is corresponding.
The download address of the files in stream media burst to be downloaded downloaded in request according to described sub-burst is linked to correspondence
Server, and send described sub-burst download request.After server receives the download request of sub-burst, according under sub-burst
Carrying the field scope of the files in stream media burst to be downloaded of request, beam back the sub-burst of corresponding field scope, terminal is to server
The sub-burst beamed back has been received downloading.Wherein, it is transmitted in parallel that terminal to server sends the request of downloading of sub-burst,
Many sub-bursts are downloaded in application the most simultaneously.
Assume that terminal once can ask to download 4 sub-bursts simultaneously, in S102 as a example by, files in stream media to be downloaded divides
Leaf length is 2MB, and the preset length that the transmission bandwidth between current time terminal and server is arranged is 512KB.By sub-burst
Greatest length be set to 512KB, thus the field scope of files in stream media burst to be downloaded is split as 4 subranges, 4
Individual subrange be respectively (0KB, 512KB], (512KB, 1024KB], (1024KB, 1536KB], (1536KB, 2048KB].Assume
The address of files in stream media burst to be downloaded is URL1, then 4 sub-bursts that terminal sends simultaneously download the ground comprised in request
Location is just as, and is URL1.Except for the difference that the field scope of the sub-burst of 4 sub-bursts download request correspondences is different, 4
The different field range field scope of the files in stream media burst to be downloaded that the request of downloading of sub-burst is asked respectively.Assuming will be parallel
4 sub-bursts download and ask named download requests 1, download request 2, download request 3 and download requests 4, and 4 sub-bursts
The request of download is the most in no particular order.If as it is shown in figure 5, downloading the files in stream media burst to be downloaded of request in request 1
(0KB, 512KB] field scope, then server sends back to download and asks the sub-burst field scope of 1 to be Streaming Media to be downloaded
File fragmentation (0KB, 512KB] fragment data of field of scope.Corresponding, downloading request 2 can be successively to the request of downloading 4
In the field scope of the files in stream media burst to be downloaded of request (512KB, 1024KB], (1024KB, 1536KB] and
(1536KB, 2048KB] part.Certainly above-described embodiment is the most schematically, downloads request 1 and can also ask above-mentioned 4 differences
Any one in subrange, does not repeats them here.
Also assume that terminal once can download 4 sub-bursts, if such as situation another kind of in S102, stream matchmaker to be downloaded
The a length of 1.25MB of body file fragmentation, the greatest length of sub-burst is set to 512KB, by files in stream media burst to be downloaded
Field scope splits for 3 subranges.Now need to have downloaded files in stream media burst to be downloaded to have only to send 3
Sub-burst is downloaded and is asked.If but only send a sub-burst and download request, can cause between terminal and server
The wasting of resources, as shown in Figure 6, while terminal sends 3 sub-bursts download requests, also can send second media file burst
Download request.
Described second media file burst is that in burst list, the next one of files in stream media burst address to be downloaded divides
The files in stream media burst that sheet address is corresponding.Now there will be two kinds of different situations, terminal to server sends second matchmaker
After the request of body file fragmentation, if the feedback information received learns second, media file burst is not more than described preset length,
Then can directly send second media file burst and download request, to second media file burst with described stream matchmaker to be downloaded
3 sub-bursts of body file fragmentation are downloaded simultaneously.If second media file burst is more than described preset length, now
Then splitting second media file burst according to the method in S102, corresponding field scope is downloaded in request.Specifically may be used
See the description in S102, do not repeat them here.
From above technical scheme, the files in stream media burst method for down loading that the embodiment of the present invention provides, according to terminal
And the transmission bandwidth between server determines preset length, when files in stream media burst length to be downloaded is more than described preset length
Time, according to preset length, files in stream media burst to be downloaded is split, particularly by files in stream media burst to be downloaded
Field scope be split as multiple subrange, then parallel requests downloads multiple subranges.Due to the son that each subrange is corresponding
Burst length is shorter, therefore can complete faster to download relative to the files in stream media burst before splitting.And many height are divided
Sheet is downloaded respectively, thus improves the download efficiency of whole files in stream media burst.
Because a streaming media video file is made up of multiple files in stream media bursts, different files in stream media bursts
The server at possible place is different.Therefore, described second media file burst may divide with files in stream media to be downloaded
Server residing for sheet is different, because preset length is to be configured according to the transmission bandwidth between terminal and server, and institute
If with described in second media file burst during server difference, then the service at terminal and second media file burst place
The 3rd preset length between device may be different from described preset length.
Still as a example by S102, according to the transmission between the server at terminal and files in stream media burst place to be downloaded
It is 512KB that bandwidth arranges preset length.If the transmission belt between the server at terminal and second media file burst place
The twice of the transmission bandwidth between the server at a width of terminal and files in stream media burst place to be downloaded, then the 3rd preset length
Could be arranged to 1MB.
As it is shown in fig. 7, when all corresponding different clothes in n files in stream media burst address continuous in files in stream media burst list
During business device, and the files in stream media burst corresponding to described n files in stream media burst address is no more than corresponding default length
Degree, then terminal sends download request, downloads described n files in stream media burst simultaneously.
From above technical scheme, when various flows media file burst is at different server, owing to terminal is from different
Transmission bandwidth between server is different, and therefore terminal downloads files in stream media burst correspondence between different server
Fractionation preset length the most different.And when the files in stream media burst length in different server is preset no more than corresponding
During length, terminal can send files in stream media burst to multiple servers and download request, thus achieves multiple Streaming Media
The download of file fragmentation, it is ensured that mode relatively conventional during decoding terminals playing stream media file fragmentation is more smooth.
After files in stream media burst to be downloaded has been downloaded, further statistics downloads described files in stream media to be downloaded
Transmission bandwidth between terminal and the server of burst, determines the second preset length according to described transmission bandwidth.
When assuming to download described files in stream media burst to be downloaded, according to transmission belt current between terminal and server
Width, arranging preset length is the 512KB in S102, stays in after files in stream media burst downloaded when described, again adds up eventually
Transmission bandwidth between end and server.If transmission bandwidth is compared downloads the bigger of front bandwidth change, then can preset second
It is bigger that length is arranged, and the concrete bandwidth according to reality sets.If transmission bandwidth is poorer, then according to current than before downloading
Transmission bandwidth reduces preset length value.Certainly above-described embodiment is merely illustrative of, and such as terminal may be simultaneously emitted by multiple stream
Media file burst, four downloads that disposably send being not limited in mentioning in above-described embodiment are asked, it is pointed out that
Above-mentioned files in stream media burst method for down loading is applicable to network self-adapting stream media protocol (based on burst), such as HLS, DASH etc.,
Common progressive download stream media protocol is equally applicable, and such as http agreement etc., is not repeating.
Corresponding with said method embodiment, disclosed herein as well is a kind of files in stream media burst download apparatus, such as Fig. 8
Shown described device comprises determining that unit 201, processing unit 202 and download unit 203.
Described determine unit 201, for determining the length of files in stream media burst to be downloaded.Described determine unit 201
Including sending subelement 2011 and receiving subelement 2012.Described transmission subelement 2011 sends burst download to server please
Ask, after server receives download request, to determining that unit 201 beams back the feedback information that the request of download is corresponding, described feedback letter
Breath comprises the length of files in stream media burst to be downloaded.Described reception subelement 2012 receives the feedback letter that server is beamed back
Breath.
Described processing unit 202 for when described files in stream media burst length to be downloaded more than terminal and server it
Between transmission bandwidth match preset length time, described files in stream media burst to be downloaded is split as at least two and divides
Sheet, wherein, the length of each sub-burst is all not more than described preset length.Described processing unit 202 includes that first determines son
Unit 2021, second determine subelement 2022 and divide subelement 2023.
Described first determines subelement 2021, and for determining the greatest length of sub-burst, wherein said greatest length is little
In described preset length.Second determines subelement 2022, for determining the field scope of described files in stream media burst to be downloaded,
The field tail of the field scope of described files in stream media burst to be downloaded is the poorest with field head equal to described Streaming Media to be downloaded literary composition
The length of part burst.Described division subelement 2023, for described field scope being divided at least two subrange, wherein,
The length of each subrange is not more than described greatest length.
Download unit 203, for downloading each described sub-burst respectively.Described download unit 203 includes: request generates
Subelement 2031, request send subelement 2032 and burst receives subelement 2033.
Described request generation subelement 2031, for generating the download request of sub-burst, each download request and one
Subrange is corresponding, comprises the subrange that files in stream media burst download address to be downloaded is corresponding with the request of downloading；Described request
Send subelement 2032, for sending the download request of described sub-burst.Preferably, described request sends subelement transmitted in parallel
The download request of described sub-burst.Described burst receives subelement 2033, is used for receiving server according to described sub-burst
The sub-burst beamed back of request of downloading.
Described files in stream media burst download apparatus, also includes that acquiring unit 204 and second determines unit 205.
Described acquiring unit 204, for obtaining the address of second media file burst, described second media file divides
Sheet is the next files in stream media burst of described files in stream media burst to be downloaded.Described second determines unit 205, is used for
Address according to described second media file burst determines the server residing for described second media file burst.Under described
Carrier unit 203, if for the residing service of described second media file burst and described files in stream media burst to be downloaded
Device differs, and described second media file burst is downloaded in request.
Described files in stream media burst download apparatus, also includes statistic unit 206 and arranges unit 207.
Described statistic unit 206, after described files in stream media burst to be downloaded has been downloaded, treats described in statistics download
Download the transmission bandwidth between terminal and the server of files in stream media burst；Described unit 207 is set, for according to described biography
Defeated bandwidth determines the second preset length.
Disclosed herein as well is a kind of terminal, as it is shown in figure 9, described terminal includes processor 301, communication serial port 302 and
Memorizer 303, described processor 301, described communication interface 302 are connected by communication bus 304 with described memorizer 303.
Described processor 301, for determining the length of files in stream media burst to be downloaded, as described stream matchmaker to be downloaded
During the preset length that body file fragmentation length matches more than the transmission bandwidth between terminal and server, by described to be downloaded
Files in stream media burst is split as the sub-burst of at least two.Specifically include:
Described processor 301 sends burst to server and downloads request, then receives the feedback information that server is beamed back, institute
State feedback information and comprise the length of files in stream media burst to be downloaded, so that it is determined that the length of files in stream media burst to be downloaded
Degree.When described files in stream media burst length to be downloaded is more than presetting that the transmission bandwidth between terminal and server matches
During length, described processor 301 determines greatest length and the field scope of described files in stream media burst to be downloaded of sub-burst.
Described field scope is divided at least two subrange, wherein, the length of each subrange be not more than described in greatly enhance most
Degree.
After the field scope of described files in stream media burst to be downloaded has been divided by described processor 301, generate son point
The download request of sheet, it is corresponding with a subrange that each downloads request, comprises files in stream media burst to be downloaded and downloads ground
The subrange that location is corresponding with the request of downloading.Then the download request of described sub-burst is sent to server.
Described communication interface 302, is received each the sub-burst that server end is beamed back, is passed by communication bus 304
It is defeated by described processor；
Described feram memory 303, each the sub-burst received by communication interface for storage.
For device or terminal embodiment, owing to it is substantially similar to embodiment of the method, so describing the simplest
Single, relevant part sees the part of embodiment of the method and illustrates.It is understood that the present invention can be used for numerous general or special
Computing system environment or configuration in.Such as: personal computer, server computer, handheld device or portable set, flat
Template equipment, multicomputer system, system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC,
Minicomputer, mainframe computer, the distributed computing environment including any of the above system or equipment etc..
Those skilled in the art are considering description and are putting into practice here after disclosure of the invention, will readily occur to its of the present invention
Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modification, purposes or
Person's adaptations is followed the general principle of the present invention and includes the undocumented common knowledge in the art of the present invention
Or conventional techniques means.Description and embodiments is considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the such as relational terms of " first " and " second " or the like is used merely to an entity or
Operation separates with another entity or operating space, and exists any between not necessarily requiring or imply these entities or operating
The relation of this reality or order.The invention is not limited in precision architecture described above and illustrated in the accompanying drawings,
And various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim
System.
Claims (17)
1. a files in stream media burst method for down loading, it is characterised in that including:
Determine the length of files in stream media burst to be downloaded；
When described files in stream media burst length to be downloaded is more than preset length, described files in stream media to be downloaded is divided
Sheet is split as the sub-burst of at least two, and wherein, the length of each sub-burst is all not more than described preset length；
Download each described sub-burst respectively.
Files in stream media burst method for down loading the most according to claim 1, it is characterised in that described determine stream to be downloaded
The length of media file burst includes:
Send burst to server and download request；
Receiving the feedback information that server is beamed back, described feedback information comprises the length of files in stream media burst to be downloaded.
Files in stream media burst method for down loading the most according to claim 2, it is characterised in that described preset length and terminal
And the transmission bandwidth between server matches.
Files in stream media burst method for down loading the most according to claim 3, it is characterised in that described by stream matchmaker to be downloaded
Body file fragmentation is split as the sub-burst of at least two and includes:
Determine the greatest length of sub-burst；
Determine the field scope of described files in stream media burst to be downloaded；
Described field scope is divided at least two subrange, wherein, the length of each subrange be not more than described in
Long length.
Files in stream media burst method for down loading the most according to claim 4, it is characterised in that described by the division of field scope
For at least two subrange, including:
Described field scope is divided, at least includes the first subrange and the second subrange, wherein said first subrange
The field scope that corresponding described files in stream media burst to be downloaded is play at first；
The field length of described first subrange is less than the field length of described second subrange.
Files in stream media burst method for down loading the most according to claim 4, it is characterised in that described download each respectively
Sub-burst includes:
Generating the download request of sub-burst, it is corresponding with a subrange that each downloads request, comprises Streaming Media to be downloaded literary composition
The subrange that part burst download address is corresponding with the request of downloading；
Send the download request of described sub-burst；
Receive the sub-burst that server is beamed back according to the request of downloading of described sub-burst.
Files in stream media burst method for down loading the most according to claim 6, it is characterised in that under the sub-burst of described transmission
Load request includes:
Request is downloaded described in transmitted in parallel.
Files in stream media burst method for down loading the most according to claim 1, it is characterised in that also include:
Obtaining the address of second media file burst, described second media file burst is described Streaming Media literary composition to be downloaded
The next files in stream media burst of part burst；
Address according to described second media file burst determines the server residing for described second media file burst；
If server residing for described second media file burst and described files in stream media burst to be downloaded differs, please
Seek the described second media file burst of download.
9. according to the files in stream media burst method for down loading described in any one of claim 1-8, it is characterised in that also include:
After described files in stream media burst to be downloaded has been downloaded, statistics downloads the terminal of described files in stream media burst to be downloaded
And the transmission bandwidth between server；
The second preset length is determined according to described transmission bandwidth.
10. a files in stream media burst download apparatus, it is characterised in that including:
Determine unit, for determining the length of files in stream media burst to be downloaded；
Processing unit, for when described files in stream media burst length to be downloaded is more than the transmission belt between terminal and server
During the preset length that width matches, described files in stream media burst to be downloaded is split as the sub-burst of at least two, wherein, often
The length of one sub-burst is all not more than described preset length；
Download unit, for downloading each described sub-burst respectively.
11. files in stream media burst download apparatus according to claim 10, it is characterised in that described determine unit bag
Include:
Send subelement, download request for sending burst to server；
Receiving subelement, for receiving the feedback information that server is beamed back, described feedback information comprises Streaming Media literary composition to be downloaded
The length of part burst.
12. files in stream media burst download apparatus according to claim 11, it is characterised in that described processing unit bag
Include:
First determines subelement, for determining the greatest length of sub-burst；
Second determines subelement, for determining the field scope of described files in stream media burst to be downloaded；
Divide subelement, for described field scope is divided at least two subrange, wherein, the length of each subrange
All it is not more than described greatest length.
13. files in stream media burst download apparatus according to claim 12, it is characterised in that described download unit bag
Include:
Request generates subelement, and for generating the download request of sub-burst, it is corresponding with a subrange that each downloads request,
Comprise the subrange that files in stream media burst download address to be downloaded is corresponding with the request of downloading；
Request sends subelement, for sending the download request of described sub-burst；
Burst receives subelement, for receiving the sub-burst that server is beamed back according to the request of downloading of described sub-burst.
14. files in stream media burst download apparatus according to claim 13, it is characterised in that
Described request sends subelement, and the download for burst described in transmitted in parallel is asked.
15. files in stream media burst download apparatus according to claim 10, it is characterised in that also include acquiring unit and
Second determines unit,
Described acquiring unit, for obtaining the address of second media file burst, described second media file burst is institute
State the next files in stream media burst of files in stream media burst to be downloaded；
Described second determines unit, for determining described second media literary composition according to the address of described second media file burst
Server residing for part burst；
Described download unit, if for described second media file burst and described files in stream media burst institute to be downloaded
Place's server differs, and described second media file burst is downloaded in request.
16. according to the arbitrary described files in stream media burst download apparatus of claim 10-15, it is characterised in that also include:
Statistic unit, after described files in stream media burst to be downloaded has been downloaded, statistics downloads described Streaming Media to be downloaded
Transmission bandwidth between terminal and the server of file fragmentation；
Unit is set, for determining the second preset length according to described transmission bandwidth.
17. 1 kinds of terminals, it is characterised in that including: processor, communication interface and memorizer, described processor, described communication connect
Mouth is connected by communication bus with described memorizer；
Described processor, for determining the length of files in stream media burst to be downloaded；
Described processor, is additionally operable to when described files in stream media burst length to be downloaded is more than the biography between terminal and server
During the preset length that defeated bandwidth matches, described files in stream media burst to be downloaded is split as the sub-burst of at least two；
Described communication interface, for receiving each the sub-burst that server end is beamed back, by described transmission to institute
State processor；
Described memorizer, each the sub-burst received by communication interface for storage.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584207.7A CN106231440A (en) | 2016-07-22 | 2016-07-22 | A kind of files in stream media burst method for down loading, device and terminal |
| PCT/CN2017/074597 WO2018014557A1 (en) | 2016-07-22 | 2017-02-23 | Method, device, and terminal for downloading streaming media file fragment |
| EP17830205.5A EP3481077A1 (en) | 2016-07-22 | 2017-02-23 | Method, device, and terminal for downloading streaming media file fragment |
| US16/253,660 US20190158936A1 (en) | 2016-07-22 | 2019-01-22 | Method and Apparatus for Downloading Streaming Media File Fragment and Terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584207.7A CN106231440A (en) | 2016-07-22 | 2016-07-22 | A kind of files in stream media burst method for down loading, device and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106231440A true CN106231440A (en) | 2016-12-14 |
Family
ID=57531450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610584207.7A Pending CN106231440A (en) | 2016-07-22 | 2016-07-22 | A kind of files in stream media burst method for down loading, device and terminal |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20190158936A1 (en) |
| EP (1) | EP3481077A1 (en) |
| CN (1) | CN106231440A (en) |
| WO (1) | WO2018014557A1 (en) |
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| CN114666627A (en) * | 2022-03-01 | 2022-06-24 | 深圳市博安智控科技有限公司 | Method and device for preloading streaming media video, electronic equipment and storage medium |
| WO2022148299A1 (en) * | 2021-01-07 | 2022-07-14 | 苏州浪潮智能科技有限公司 | File transmission method and apparatus, device, and storage medium |
| CN115473884A (en) * | 2022-06-02 | 2022-12-13 | 北京罗克维尔斯科技有限公司 | File downloading method and device, vehicle and storage medium |
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| CN111586103A (en) * | 2020-04-08 | 2020-08-25 | 北京明略软件系统有限公司 | File fragment downloading method and device |
| CN113163226B (en) * | 2021-03-26 | 2023-04-07 | 维沃移动通信有限公司 | Media file playing method and device, electronic equipment, server and medium |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018014557A1 (en) | 2018-01-25 |
| EP3481077A4 (en) | 2019-05-08 |
| US20190158936A1 (en) | 2019-05-23 |
| EP3481077A1 (en) | 2019-05-08 |
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